Martin Becker > Math-ModInt > Math::ModInt::Perl

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Module Version: 0.002   Source  

NAME ^

Math::ModInt::Perl - modular integer arithmetic, powered by native Perl

VERSION ^

This documentation refers to version 0.002 of Math::ModInt::Perl.

SYNOPSIS ^

  use Math::ModInt::Perl;

  $a = Math::ModInt::Perl->new(3, 7);             # 3 [mod 7]
  $b = $a->new(4);                                # 4 [mod 7]
  $c = $a + $b;                                   # 0 [mod 7]
  $d = $a**2 - $b/$a;                             # 3 [mod 7]

  $m = $b->modulus;                               # 7
  $r = $b->residue;                               # 4
  $r = $b->signed_residue;                        # -3
  $t = "$b";                                      # 'mod(4, 7)'

  $bool = $c == $d;                               # false

  $a->optimize_time;                  # aim for less cpu cycles
  $a->optimize_space;                 # aim for less memory space
  $a->optimize_default;               # reset optimization choice

DESCRIPTION ^

Math::ModInt::Perl is a generic implementation of Math::ModInt for small moduli, using native Perl integer arithmetic. Like all Math::ModInt implementations, it is loaded behind the scenes when there is demand for it, without applications needing to worry about it.

This implementation is capable of different optimization strategies per modulus. See optimize_time, optimize_space, optimize_default in Math::ModInt.

SEE ALSO ^

AUTHOR ^

Martin Becker, <becker-cpan-mp@cozap.com>

LICENSE AND COPYRIGHT ^

Copyright (c) 2009-2010 by Martin Becker. All rights reserved.

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.6.0 or, at your option, any later version of Perl 5 you may have available.

DISCLAIMER OF WARRANTY ^

This library is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose.

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